Home / 98,761,427.30-148,237,756.59-47,679,289.22

Finding the Fourth Proportional to 98,761,427.30, 148,237,756.59 and 47,679,289.22

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Solution

The fourth proportional to 98,761,427.30, 148,237,756.59 and 47,679,289.22 is: 71,565,094.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,761,427.30 : 148,237,756.59 = 47,679,289.22 : x
  2. Step 2: Convert to fraction form
    98,761,427.30/148,237,756.59 = 47,679,289.22/x
  3. Step 3: Cross multiply
    98,761,427.30x = 148,237,756.59 × 47,679,289.22
  4. Step 4: Simplify right side
    98,761,427.30x = 7,067,870,869,778,571
  5. Step 5: Solve for x
    x = 7,067,870,869,778,571/98,761,427.30
  6. Step 6: Final answer
    x = 71,565,094.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.